ENThe study has the following objectives: - To assess the compatibility of Lithuanian and US interests with respect to the key issues of international security architecture: the development of NATO, interoperability between the EU Common Security and Defence Policy (CSDP) and NATO, arms control and disarmament policy, and missile defence; - To explore the possibilities of strengthening the US−Lithuanian partnership in various sectors within the context of the changing security concept: in addressing the challenges of energy security, cyber security and defence, and nuclear safety issues and in promoting the entrenchment of democracy and human rights in third countries; - To overview Lithuanian interests in the context of EU negotiations with the US on the Transatlantic Trade and Investment Partnership; - To assess whether the resources allocated by Lithuania to defence are consistent with the country’s path to full-fledged membership of NATO; - To examine the input made by the Lithuanian policy and the Lithuanian diaspora in the US and offer new co-operation directions; - To analyse the best practices that exist in the relations between the US and other NATO countries and how these might benefit Lithuania in strengthening its strategic importance in US foreign policy.